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Quarterly Financial Data (Unaudited)
12 Months Ended
Dec. 31, 2013
Quarterly Financial Data (Unaudited)  
Quarterly Financial Data (Unaudited)

16. Quarterly Financial Data (Unaudited)

        The following table presents the unaudited consolidated operating results by quarter for the years ended December 31, 2013 and 2012:

 
  For the Three Months Ended  
(in thousands, except per share data)
  March 31,   June 30,   September 30,   December 31,  

2013:

                         

Revenues

  $ 201,342   $ 213,916   $ 232,890   $ 254,581  

Gross profit

    27,303     31,253     32,483     33,838  

Net income

    6,960     9,462     8,315     10,022  

Basic earnings per share

  $ 0.33   $ 0.45   $ 0.39   $ 0.47  

Diluted earnings per share

  $ 0.32   $ 0.44   $ 0.38   $ 0.46  

2012:

   
 
   
 
   
 
   
 
 

Revenues

  $ 240,228   $ 260,410   $ 250,558   $ 247,763  

Gross profit

    26,103     30,062     29,572     32,916  

Net income

    6,210     9,535     8,746     9,771  

Basic earnings per share

  $ 0.30   $ 0.46   $ 0.42   $ 0.47  

Diluted earnings per share

  $ 0.29   $ 0.45   $ 0.41   $ 0.46  

        Earnings per share amounts for each quarter are required to be computed independently using the weighted average number of shares outstanding during the period. As a result, the sum of the individual quarterly earnings per share amounts may not agree to the earnings per share calculated for the year.